12222102212017 has 2 divisors, whose sum is σ = 12222102212018. Its totient is φ = 12222102212016.

The previous prime is 12222102211993. The next prime is 12222102212059. The reversal of 12222102212017 is 71021220122221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8403482063376 + 3818620148641 = 2898876^2 + 1954129^2 .

It is a cyclic number.

It is not a de Polignac number, because 12222102212017 - 2²³ = 12222093823409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12222102211982 and 12222102212000.

It is not a weakly prime, because it can be changed into another prime (12222102212317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111051106008 + 6111051106009.

It is an arithmetic number, because the mean of its divisors is an integer number (6111051106009).

Almost surely, 2^{12222102212017} is an apocalyptic number.

It is an amenable number.

12222102212017 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222102212017 is an equidigital number, since it uses as much as digits as its factorization.

12222102212017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 12222102212017 its reverse (71021220122221), we get a palindrome (83243322334238).

The spelling of 12222102212017 in words is "twelve trillion, two hundred twenty-two billion, one hundred two million, two hundred twelve thousand, seventeen".